<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">文水县肉牛数据智能监控平台</h3>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaOnOff">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
        >
          <!--          @keyup.enter.native="handleLogin"-->
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"/>
        </el-input>
        <div class="login-code">
          <img v-show="pictureORCode" :src="codeUrl" @click="getCode" class="login-code-img"/>
          <el-button v-show="!pictureORCode" :disabled="disabled" type="primary" @click="countDown">获取验证码<span
            v-show="timeOut">{{ timeOut }}</span></el-button>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span></span>
    </div>
  </div>
</template>

<script>
import {getCodeImg, getPhoneCode} from "@/api/login";
import Cookies from "js-cookie";
import {encrypt, decrypt} from '@/utils/jsencrypt'
import {Message} from "element-ui";


export default {
  name: "Login",
  data() {
    return {
      pictureORCode: false,
      timer: null,
      disabled: false,
      timeOut: null,
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          {required: true, trigger: "blur", message: "请输入您的账号"}
        ],
        password: [
          {required: true, trigger: "blur", message: "请输入您的密码"}
        ],
        code: [{required: true, trigger: "change", message: "请输入验证码"}]
      },
      loading: false,
      // 验证码开关
      captchaOnOff: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function () {
        this.redirect = '/ScreenPage';
        //  console.log(route)
        console.log(this.redirect)

      },
      immediate: true
    }
  },
  created() {
    //this.getCode();
    this.getCookie();
  },
  methods: {
    reset() {
      /*this.loginForm = {
        username: "",
        password: "",
        code: "",
      }*/
    },
    /**
     * 90秒倒计时
     */
    countDown() {
      if(this.loginForm.username !== 'admin' && this.loginForm.username !== '13266682008'){
        Message.error('该账号有效期已过，请联系管理员');
        return;
      }
      if(this.loginForm.username===''){
        Message.error('请先输入账号');
        return;
      }
      this.reset();
      if (/^(?:(?:\+|00)86)?1[3-9]\d{9}$/.test(this.loginForm.username)) {
        getPhoneCode({'telePhone': this.loginForm.username}).then(ret => {
          if (ret.code === 200) {
            Message.success(ret.msg);
            this.timeOut = 90;
            this.disabled = true;
            this.timer = setInterval(() => {
              this.timeOut--;
              if (this.timeOut === 0) {
                this.disabled = false;
                clearInterval(this.timer);
              }
            }, 1000);
          } else {
            Message.error(ret.msg);
          }
        })
      } else {
        Message.info("该账户将使用图形验证码进行校验登录");
        this.pictureORCode = !this.pictureORCode;
        this.getCode();
        this.reset();
      }
    },
    getCode() {
      if (/^(?:(?:\+|00)86)?1[3-9]\d{9}$/.test(this.loginForm.username)) {
        Message.info("该账户将使用短信验证码进行校验登录");
        this.reset();
        this.pictureORCode = !this.pictureORCode;
      } else {
        getCodeImg().then(res => {
          this.captchaOnOff = res.captchaOnOff === undefined ? true : res.captchaOnOff;
          if (this.captchaOnOff) {
            this.codeUrl = "data:image/gif;base64," + res.img;
            this.loginForm.uuid = res.uuid;
          }
        });
      }
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, {expires: 30});
            Cookies.set("password", encrypt(this.loginForm.password), {expires: 30});
            Cookies.set('rememberMe', this.loginForm.rememberMe, {expires: 30});
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({path: this.redirect || "/ScreenPage"}).catch(() => {
            });
          }).catch(() => {
            this.loading = false;
            // this.pictureORCode = this.pictureORCode;
            if(this.pictureORCode){
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/img/bg1.jpg");
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  font-family: 华文行楷, serif;
  font-size: 30px;
  color: #24b;
}

.login-form {
  border-radius: 6px;
  background: rgb(1, 9, 45);
  width: 450px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #24b;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>
